Page 15 - Cam Design Handbook
P. 15
THB1 8/15/03 2:42 PM Page 3
INTRODUCTION 3
Type slug
Type bar
Cam
Cam follower
(a) Function generator
(cam-driven typewriter mechanism).
Line produced
Sight wire
Roller
Sight
Cams
center, 0
Airplane
Roller
(b) Path generator (c) Motion generator
(double cam line generator). (aircraft drift meter).
FIGURE 1.2. Cam design functions.
Body 2 b
Body 1
b a
a
Fixed body 3
(a) Mechanism (b) Equivalent
(two shaped bodies in contact). mechanism.
FIGURE 1.3. General cam mechanism. (Points a and b are the centers of curvature of point
of contact.)
